Reinforced-concrete pipe-coupling.



' J; M. PHELAN.

REINFORCED CONCRETE PIPE} COUPLING.

APPLICATION FILED 0OT.28. 1907.

Patented Mar. 30, 1909.

, 1 j I I s p v Uiillliifiiiii fti'filATES PATENT n l l iillili JOHN M.llIELAN, l Ll Ll'QSOA. MICHIGAN, Tlili ltlllNl-ORCED CONCRETE PIPE(JOMY'AX Y, ()l" .l- "1 30K, MlCliIGAN. A (YURPORA'IION Oi 01110-BEINFORGED-CONCRETE PIPE-COUPLING.

No. 916,587 Specification of Letters Patent. Patented March 30, 1909.

Application filed October 28, 1907. gerisd No. 399,458.

To aZZw/Lom it may cmrcrn: lshown at 1') providing hooks which are Be itknown that I, Jouv M. PHELAN, a adapted to engage the tie-bandl which isincitizen of the United States, residing at Jack sorted between themwhen they are brought son, in the county of Jackson and State ofv intoclose proximity, a wedge F being em- 5 Michigan, have invented a new anduseful ployed to lock the membcrs'and bands to- 60 Improvement in.lieinforced-Coucrcte Pipcgcthcr. In order to enable this couplingCouplings, of which the following is a spccioperation to be performedfrom the inside of fioation. the conduit as well as the outside, Ipropose This invention relates generally to reiuto make an opening G inthe collar C as one forced concrete .ipe sections, and more paror morepoints opposite the hooked end of (i5 ticularly to the ormation of theends of the the reinforcing member, and by having pipe sections, theobject of the invention these openings so arrangcd,itis obvious thateing to facilitate the coupling of-thc pipe the introduction of thetie-band and the insections together, and at the same time prosertion ofthe wedge can be iLCCOlllJliSllMl vide a simple, eflicient andinexpensive confrom the interior, thus greatly faci itating 70 structionof pipe which can be coupled from the work and producing a stronger,simpler both the inside and outside. and more economic-i1 constructionof pipe- With these objects in view my invention section. consistsessentially in constructing one end It will be understood that after thebands of the reinforced pipe section .with a collar and wed es have beeninserted the openings 75 which has openings opposite or adjacent one arefilled with cement and smoothed up, or more of the projecting and hookedreinthereby making an unbroken joint.

forcing members, said collar being adapted By means of a pipeconstructed as herein to fit into the opposing end of the next adjashownand described. the lower part or that 5 :5 cent section in such a mannerthat the part within the trench can be coupled from S0 hooked ends ofthe reinforcing members will the inside while the top portions can be bearranged oppositely disposed and in close coupled from the outside, ifso desired. proximity to each other for the purpose of In Fig. 1 I haveshown the pening Gas receiving and holding the locking or tying beingformed in the straight portion of the hand. r collar, but it is obviousthat this opening may 85 The invention consists also in certain do;extend entirely through the collar as shown tails of construction,hereinafter fully d e-.- at (i in Fig. 3. scribed and pointed out in theclaims. in making the pipe sections the openings In the drawing forminga part of this G or G may be few in number and arranged specification:-Figure 1 is a sectional elevaonly at points which are intended to goin 90 tron showing two sections of pipe coupled tothe bottom of thetrench, or those o )enings ether. Fig. 2 is a transverse section on the,may be produced opposite each and every line 2-2 of Fig. 1. Fig. 3 is adetail view one of the reinforcing members, if desired. showing inelevation one end of a modified Having thus fully described myinvention,

40 form of construction. what I claim as new and desire to secure by 95Referring to the drawing AilltllCtLtOS the Letters Patent 152- Ireinforced concrete pipe section, one end ol i. A sewer pipe sectionhaving a collar at which is cut away upon the interior as shown 3 oneend, reinforcing members extending at B while theopposite end is formedwith a i longitudinally through the pipe section with collar C, theinner portion C being straight .u-ojecting ends of said reinforcingmembers 100 whilethe outer portion is beveled as shown 1 being hooked,the collar of the pipe section at C and which is adapted to fit into there.- having openings opposite the projerding cessed ortion B of theadjacent member as hool-zcd ends ol. tire reinforcing members. most clearly s own in Fig. 1. 2. A pipe section having hmgitudiiud D indicatethe longitudinal reinforcing bars or members, the ends of which projectbeyond the pipe-section roper, as shown, but it will be noted that theydo not project tion being recessed upon the interior and the beyond thecollar C. These bars or mem l op )osite end of the pipe section beingprobars 1) are bent back upon themselves as l vided with a collar, theouter portion ofrllo reinforcing-members, the ends of which are hookedand projectbcyond the ends of the pipe-section proper, one end of thepipe secwhicl'i is beveled, said collar having an. opening opposite theprojecting end of each rein forcing member, for the purpose set forth.

3. Asewer pipe section having longitudinal reinforcing members, theprojecting ends of which are hooked, one end of the pipe. section beingrecessed upon the interior, the opposite end of the pipe section' havinga, collar formed thereon, the outer portion of said collar beingtapered, the inner portion of said collar having sin-opening thereinopposite' the projecting hooked end of each reinforcing member.

e. The combination with apipe section having longitudinal reinforcingmembers,

: portion of said collar being tapered to fit (into the; recessed end ofan opposing p pe sect1on,'"se1d collar having openings produced thereinoosite the no ectin hooked RP l .l

pu ose s ecified.

rp p JOHN M. PHELAN.

-Witnesses PETER B. Looms,

CHARLES G. ISMON.

having a collar formed thereon, the outer 1 ends of the reinforcingmembers, for the 25

